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Finding the Fourth Proportional to 240,398.20, 360,986.10 and 174,302.20

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Solution

The fourth proportional to 240,398.20, 360,986.10 and 174,302.20 is: 261,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,398.20 : 360,986.10 = 174,302.20 : x
  2. Step 2: Convert to fraction form
    240,398.20/360,986.10 = 174,302.20/x
  3. Step 3: Cross multiply
    240,398.20x = 360,986.10 × 174,302.20
  4. Step 4: Simplify right side
    240,398.20x = 62,920,671,399.42
  5. Step 5: Solve for x
    x = 62,920,671,399.42/240,398.20
  6. Step 6: Final answer
    x = 261,735.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.